Question about DNS Client service

August 28, 2014 at 09:50:57
Specs: Win 7
In Event Viewer, System Log, I noticed this "Information" entry:

> The DNS Client service entered the running state.

That occurred at a time (a couple of minutes before I noticed it)
when the computer was not connected to the Internet, because
I had earlier shut off power to the modem/router. So there was
no network connection. Why would the DNS Client service enter
the running state?

-- Jeff, in Minneapolis


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#1
August 28, 2014 at 10:19:55
The DNS Client Service controls DNS caching. If the service is not already running it appears that a DNS request may start it. I tried this as an experiment. This would occur before any connection to the Internet was made. The DNS request could have come from any process attempting Internet access.

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#2
August 28, 2014 at 10:59:42
Do you have any suggestions on easy ways to determine what
process was attempting Internet access? There should not have
been anything doing that....

Although, come to think of it... at some point while I was looking at
the logs, I clicked on a link for more information, and it popped up
a box asking if it was okay to send certain data to the internet (such
as my Windows version number), and I said No. If that was the
event, then that would explain it. I'll have to look at the logs some
more to check under more carefully controlled conditions.

-- Jeff, in Minneapolis


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#3
August 28, 2014 at 15:16:02
I'm not convinced you have to be online. I think this will start every time you boot so that any devices can use it immediately without having to wait for it to start.

Always pop back and let us know the outcome - thanks


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#4
August 28, 2014 at 16:15:49
I had been online earlier. I then went offline by shutting off power
to the modem/router, which makes the computer not see any network
connection at all. Then I spent some time looking at logs in Event
Viewer. At some point I clicked on that link for more info. The link
actually had the word "online" in it if I recall correctly, but I wasn't sure
what that meant. I found that it wanted to connect to the Internet, so I
exited from that. It is *probably* what caused the entry I noticed a few
minutes later, but I didn't put the two events together in my head until
my second post. So the DNS Client service probably had been
running earlier, then stopped when I disconnected, then started up
again when I clicked that link.

You can rate this post on the Boring Scale if you wish...
... if you're still awake.

-- Jeff, in Minneapolis


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#5
August 28, 2014 at 16:32:54
Nah, not boring. It all helps to keep the gray cells ticking away.

Always pop back and let us know the outcome - thanks


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